Android Studio Fehler Overriding method should call super.draw

package com.youknownow.myfirstgame;

import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;


public class GamePanel extends SurfaceView implements SurfaceHolder.Callback
{
    public static final int WIDTH = 856;
    public static final int HEIGHT = 480;
    private MainThread thread;
    private Background bg;

    public GamePanel(Context context)
    {
        super(context);


        //add the callback to the surfaceholder to intercept events
        getHolder().addCallback(this);

        thread = new MainThread(getHolder(), this);

        //make gamePanel focusable so it can handle events
        setFocusable(true);
    }

    @override
    public void surfaceChanged(SurfaceHolder holder, int format, int width, int height){}

    @override
    public void surfaceDestroyed(SurfaceHolder holder){
        boolean retry = true;
        while(retry)
        {
            try{thread.setRunning(false);
                thread.join();

            }catch(InterruptedException e){e.printStackTrace();}
            retry = false;
        }

    }

    @override
    public void surfaceCreated(SurfaceHolder holder){

        bg = new Background(BitmapFactory.decodeResource(getResources(), R.drawable.grassbg1));
        bg.setVector(-5);
        //we can safely start the game loop
        thread.setRunning(true);
        thread.start();

    }
    @override
    public boolean onTouchEvent(MotionEvent event)
    {
        return super.onTouchEvent(event);
    }
    public void update(){

        bg.update();

    }

    @override
    public void draw(Canvas canvas){
        final float scaleFactorX = getWidth()/WIDTH;
        final float scaleFactorY = getHeight()/HEIGHT;
        if (canvas != null) {
            final int savedState = canvas.save();
            canvas.scale(scaleFactorX, scaleFactorY);
            bg.draw(canvas);
            canvas.restoreToCount(savedState);
        }
    }
}

@override
public void draw(Canvas canvas){
    super.draw(canvas)
    ....
}

public void draw(Canvas canvas){
    ...
    super.draw(canvas)
}